Abstract

The proton and neutron electromagnetic structures, specified by strictly different electric \({{G}_{{\text{E}}}}(s)\) and magnetic \({{G}_{{\text{M}}}}(s)\) form factors, in measurements of the total cross sections of the electron-positron annihilation into nucleon-antinucleon pairs is by experimentalists currently described by one “effective form factor”. In this contribution we demonstrate some facts referring against the “effective form factor” to be strict physical quantity as it is obtained by the false generalization of equality \(\left| {{{G}_{{\text{E}}}}(s)} \right| \equiv \left| {{{G}_{{\text{M}}}}(s)} \right|\), valid rigorously only at the nucleon-antinucleon threshold, to the whole measured energy region.

中文翻译：

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用有效质子和中子形式因子描述核子电磁结构

摘要

质子和中子电磁结构，由严格不同的电\({{G}_{{\text{E}}}}(s)\)和磁\({{G}_{{\text{M} }}}(s)\)形式因子，在测量电子-正电子湮灭成核子-反核子对的总横截面时，实验家目前用一种“有效形式因子”来描述。在这篇文章中，我们证明了一些事实，将“有效形状因子”称为严格的物理量，因为它是通过等式的错误概括获得的\(\left| {{{G}_{{\text{E}}} }(s)} \right| \equiv \left| {{{G}_{{\text{M}}}}(s)} \right|\)，仅在核子-反核子阈值严格有效，以整个测量的能量区域。